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Run the numbers before you spend a dollar.

Three calculators for owners of trade shops and small offices. Each one shows its formula, says where every default comes from, and lets you swap in your own numbers. Nothing you type leaves your browser.

By John Dietrich, WorkaheadFigures checked October 11, 2026

  • Tool 01

    Missed-call revenue calculator

    What unanswered calls cost a contractor each month, worked out from your own phone log.

    Example: 60 calls a week$3,501/morevenue at risk from unanswered calls

    For: Electricians, plumbers, HVAC and landscaping shops

  • Tool 02

    Google review rating calculator

    How many five-star reviews it takes to move your Google rating, and how long that takes at your pace.

    Example: 4.3★ from 41 reviews17 reviewsfive-star reviews to reach 4.5

    For: Any local business with a Google Business Profile

  • Tool 03

    Claude Cowork cost and time-back calculator

    Claude seat prices and setup costs against the office hours, owner time and money that drafted quotes, briefings, follow-ups and reminders could bring back.

    Example: two-person trades office3h 46moffice time back each week

    For: Owners and office managers at small trades and service offices

How these work

You can check every number

Defaults say where they came from

Each starting figure links to the study it came from or carries a label: a Workahead estimate, or an example for you to replace. A few benchmarks that circulate widely, like the share of callers who never call back, didn’t survive a check against the original source, so they aren’t here.

The formula is printed

With a worked example under it, so a bookkeeper can rebuild the result in a spreadsheet.

Links carry the scenario

Your inputs live in the page address, so a copied link opens the same result for a partner. Analytics count that a tool was used. The numbers themselves are never recorded.

When the numbers say yes

Workahead installs the fix inside the tools you already use.

Claude Cowork drafts the replies, reminders and reports. Your team approves them. Start with a short questionnaire, or with the AI Readiness Audit if you want the savings priced first.

Start the questionnaire →See the AI Readiness Audit (for Claude Cowork) →

Workahead is independent and not affiliated with Anthropic, Google, Invoca or BrightLocal.